package com.example.yls.android_service;

import android.os.Binder;

/**
 * Created by yls on 2018/12/17.
 */

public class MyBinder  extends Binder{
    public int add(int a,int b){
        return a + b;

    }
    public String toUpperCase(String str){
        return  str.toUpperCase();
    }
}
